Public Clients
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| Dublin Airport Authority | Dublin City Council | South Dublin County Council | Fingal County Council |
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| Dun-Laoughaire rathdown Council | Galway County Council | Galway city Council | Meath County Council |
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| Kildare County Council | Laois County Council | Wicklow County Council | Bray Town Council |
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| Ennis Town Council | Office of Public Works | Dept. of Justice | |
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| Dept. of Defence | Nth Tipperary County Council | ||
Private Clients
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| Ascon Ltd. | G & T Crampton Ltd. | P.J. Hegarty Ltd. | Laing O Rourke |
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| John Paul Construction | Pierse Contracting Ltd. | John Sisk & Sons | Walsh Maguire Ltd. |
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| Athletic Union League | |||
Industry Partners
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| Fitzpatrick UK Concrete paving & manufacturing partners to C & M in Ireland. |
MTW Partnership Engineering, design & setting out partners to C & M. |
Mattest Ltd. Materials testing Partners to C & M |
L Behan & Sonds Ltd. Bituminous Materials manufacturing Partners. |
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| M S Engineering Services West Africa & the U.E.A strategic partners |
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